Auxiliary power system for turbine-based energy generation system
First Claim
1. A power system for a turbine-based energy generation system including an electric generator and an auxiliary load, comprising:
- a main converter;
an auxiliary converter;
a switch module interposed between the electric generator and the main and auxiliary converters; and
a controller operable to close the switch module so that the electric generator is coupled to the main and auxiliary converters when a power generation criterion exceeds a first threshold and open the switch module so that the electric generator is decoupled from the main and auxiliary converters when the power generation criterion is below a second threshold,wherein the main converter is operable to deliver power generated by the electric generator to a power collection system external to the turbine-based energy generation system when the main converter is coupled to the generator and deliver power provided from the power collection system to the auxiliary converter when the main converter is decoupled from the generator,wherein the auxiliary converter is operable to deliver power generated by the electric generator to the auxiliary load when the auxiliary converter is coupled to the generator and deliver the power provided by the main converter from the power collection system to the auxiliary load when the auxiliary converter is decoupled from the generator.
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Abstract
A turbine-based energy generation system includes an electric generator and auxiliary load. A power system for the turbine-based energy generation system includes a main converter and an auxiliary converter. The main converter is operable to deliver power generated by the electric generator to a power collection system external to the turbine-based energy generation system when the main converter is coupled to the generator. The main converter is also operable to deliver power provided from the power collection system to the auxiliary converter when the main converter is decoupled from the generator. The auxiliary converter is operable to deliver power generated by the electric generator to the auxiliary load when the auxiliary converter is coupled to the generator. The auxiliary converter is also operable to deliver the power provided by the main converter from the power collection system to the auxiliary load when the auxiliary converter is decoupled from the generator.
72 Citations
20 Claims
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1. A power system for a turbine-based energy generation system including an electric generator and an auxiliary load, comprising:
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a main converter; an auxiliary converter; a switch module interposed between the electric generator and the main and auxiliary converters; and a controller operable to close the switch module so that the electric generator is coupled to the main and auxiliary converters when a power generation criterion exceeds a first threshold and open the switch module so that the electric generator is decoupled from the main and auxiliary converters when the power generation criterion is below a second threshold, wherein the main converter is operable to deliver power generated by the electric generator to a power collection system external to the turbine-based energy generation system when the main converter is coupled to the generator and deliver power provided from the power collection system to the auxiliary converter when the main converter is decoupled from the generator, wherein the auxiliary converter is operable to deliver power generated by the electric generator to the auxiliary load when the auxiliary converter is coupled to the generator and deliver the power provided by the main converter from the power collection system to the auxiliary load when the auxiliary converter is decoupled from the generator. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method of providing power to an auxiliary load of a turbine-based energy generation system also including an electric generator, a main converter and an auxiliary converter, and a switch module interposed between the electric generator and the main and auxiliary converters, the method comprising:
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delivering power generated by the electric generator to a power collection system external to the turbine-based energy generation system via the main converter when the main converter is coupled to the generator; delivering power generated by the electric generator to the auxiliary load via the auxiliary converter when the auxiliary converter is coupled to the generator; delivering power provided from the power collection system to the auxiliary converter via the main converter when the main converter is decoupled from the generator; delivering the power provided by the main converter from the power collection system to the auxiliary load via the auxiliary converter when the auxiliary converter is decoupled from the generator; closing the switch module so that the electric generator is coupled to the main and auxiliary converters when a power generation criterion exceeds a first threshold; and opening the switch module so that the electric generator is decoupled from the main and auxiliary converters when the power generation criterion is below a second threshold. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification